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Colombian Braised Beef (Posta Negra)
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Named after its dark, sweet sauce, posta negra is a classic Colombian dish made by braising beef in a flavorful liquid seasoned with panela sugar and spices. For our version, we call for a 5-pound beef chuck roast; it's a fat-rich cut, so trim it well before tying the roast. In the end, the meat will be superbly tender and succulent. In Colombia, the dish might be served with fried plantains, yucca fritters and a simple salad; we liked this rich beef with an easy pico de gallo and/or mashed potatoes.
4
Servings
Don’t carve the roast without first letting it rest. Resting makes the meat easier to cut into neat slices.
4 hours
30 minutes active
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1
5-pound boneless beef chuck roast, trimmed and patted dry
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Kosher salt and ground black pepper
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2
tablespoons grapeseed or other neutral oil
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1
large yellow onion, chopped
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10
medium garlic cloves, peeled
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2
tablespoons tomato paste
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½
cup packed dark brown sugar
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2
cinnamon sticks
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1
tablespoon whole allspice
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2
teaspoons black peppercorns
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1
teaspoon whole cloves
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1
cup dry red wine
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¼
cup worcestershire sauce
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1
cup pitted prunes, coarsely chopped
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1
tablespoon cornstarch
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3
tablespoons red wine vinegar

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01Heat the oven to 300°F with a rack in the lower-middle position. Using kitchen twine, tie the roast at 2-inch intervals. Season on all sides with salt and pepper.See Demo
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02In a large Dutch oven over medium-high, heat the oil until shimmering. Add the onion and ¼ teaspoon salt, then cook, stirring, until the onion is well browned, 5 to 7 minutes. Stir in the garlic and cook until fragrant, about 30 seconds. Add the tomato paste and cook, stirring constantly, until it begins to brown, about 2 minutes. Stir in the brown sugar, cinnamon, allspice, peppercorns and cloves. Pour in the wine, bring to a simmer and cook until thick and syrupy, 3 to 5 minutes. Stir in the Worcestershire sauce and prunes.See Demo
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03Place the roast in the pot, then turn to coat with the liquid. Cover and bake until a paring knife inserted into the thickest part meets no resistance, 3½ hours. Transfer the roast to a shallow baking dish and loosely tent with foil. Let rest for 30 minutes.See Demo
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04Meanwhile, set a fine mesh strainer over a medium bowl. Pour the contents of the pot into the strainer and press on the solids with a rubber spatula to extract as much liquid and pulp as possible; scrape the underside of the strainer to collect the pulp. Discard the solids. Let the liquid and pulp settle for about 5 minutes (you should have about 1½ cups), then skim off the fat. Return the defatted liquid and pulp to the Dutch oven and bring to a simmer over medium.See Demo
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05In a small bowl, stir together 3 tablespoons water and the cornstarch. Whisk into the simmering liquid and cook, stirring constantly, until lightly thickened, about 2 minutes. Stir in the vinegar. Taste and season with salt and pepper.See Demo
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06Transfer the roast to a cutting board. Remove and discard the twine. Cut the meat against the grain into ½-inch slices and transfer to a platter. Pour about 1 cup of the sauce over the meat. Serve with the remaining sauce on the side.See Demo
Mains
Hi Rachel -
If you take a look at the version of the recipe from our Fast & Slow cookbook here: https://www.177milkstreet.com/recipes/colombian-savory-sweet-braised-beef-fast-slow - we give instructions for slow cooking. Although these are designed for slow cooking in an Instant Pot, the process should be mostly the same in a traditional slow cooker except you will have to do the sautéeing and boiling on the stovetop and then transfer to the slow cooker.
Best,
The Milk Street Team
For MS staff: If I half this recipe will do I still cook it as long? I would think yes, I typically find a chuck roast that weighs roughly 3 lbs. thanks.
Hi Maureen -
We would recommend checking a smaller roast earlier. It still may need the full 3 1/2 hours, but you don't want it to get too shred-y since you'll want to be able to slice it. Once a paring knife inserted into the thickest part meets no resistance it will be ready to go.
Best,
The Milk Street Team
This is one of the most enjoyable meals I've made. I tweaked it slightly using short ribs instead of the round roast, and didn't need to thicken the sauce at the end as it had reduced down nicely. I served it with parsley buttered egg noodles. This was a hit. Thank you for this recipe